Free calculators to help you plan your off-grid power setup — no signup, no spam, just the numbers you need before you buy anything.
Add up your daily appliance use and see exactly how many watt-hours you burn per day — the first number you need before sizing any battery or solar setup.
Use the Calculator →Battery Runtime Calculator — see how long a power station will last against your actual load.
Solar Panel Size Calculator — figure out how many watts of panels you need for your location and usage.
Generator Size Calculator — match running and surge watts to the right generator.
Camping Gear Checklist Generator — a packing list tailored to your trip length and style.